Editor’s note: CNN Contributor Bob Greene is a bestselling author whose books include “Late Edition: A Love Story” and “When We Get To Surf City: A Journey Through America in Pursuit of Rock and Roll, Friendship, and Dreams.”

(CNN) — “I won’t even sleep in the same room with them.”

A fellow named Daniel Sieberg was telling me his hard-and-fast rule for getting through the night.

He takes all of his digital devices — laptops, tablets, cellphones, anything portable that has a screen — to another room before he turns off the light. He has come to terms with the fact that the technological gadgets that have so thoroughly insinuated themselves into our lives can become addictive.